Mnet: More enrolment data in the back channel - stash in mnet_enrol_assignments table

admin/mnet/enr_course_enrol.html

@@ -22,7 +22,7 @@
                            getElementById('assignform').addselect.selectedIndex=-1;">
           <?php
             foreach ($enrolledusers as $enrolleduser) {
-                if(!empty($enrolleduser->ismnetenrolment)) {
+                if ($enrolleduser->enroltype == 'mnet') {
                     $fullname = fullname($enrolleduser, true);
                     echo "<option value=\"$enrolleduser->id\">".$fullname.", ".$enrolleduser->email."</option>\n";
                 }
@@ -94,7 +94,7 @@
       <td valign="top"><?php print_string('otherenrolledusers', 'mnet'); ?>:<br />
           <?php
             foreach ($enrolledusers as $enrolleduser) {
-                if(empty($enrolleduser->ismnetenrolment)) {
+                if ($enrolleduser->enroltype != 'mnet') {
                     $fullname = fullname($enrolleduser, true);
                     echo $fullname.', '.$enrolleduser->email."<br />\n";
                 }

admin/mnet/enr_course_enrol.php

@@ -88,25 +88,30 @@
     
     $select = '';
     $all_enrolled_usernames = '';
+    $timemodified = array();
 /// List all the users (homed on this server) who are enrolled on the course
 /// This will include mnet-enrolled users, and those who have enrolled 
 /// themselves, etc.
     if (is_array($all_enrolled_users) && count($all_enrolled_users)) {
-        foreach($all_enrolled_users as $user) {
-            $all_enrolled_usernames .= "'{$user['username']}', ";
+        foreach($all_enrolled_users as $username => $data) {
+            $all_enrolled_usernames .= "'$username', ";
         }
-        $select = ' u.username IN (' .substr($all_enrolled_usernames, 0, -2) .') AND';
+        $select = ' u.username IN (' .substr($all_enrolled_usernames, 0, -2) .') AND ';
+    } else {
+        $all_enrolled_users = array();
     }
 
-/// Pseudocode for query - get records for all users that are enrolled in the 
-/// course, and if they were enrolled via mnet, ismnetenrolment will be > 0
+/// Synch our mnet_enrol_assignments with remote server
     $sql = "
             SELECT
                 u.id,
                 u.firstname,
                 u.lastname,
+                u.username,
                 u.email,
-                COALESCE(a.hostid, 0) as ismnetenrolment,
+                a.enroltype,
+                a.id as enrolid,
+                COALESCE(a.hostid, 0) as wehaverecord,
                 a.courseid
             FROM
                 {$CFG->prefix}user u
@@ -127,6 +132,58 @@
         $enrolledusers = array();
     }
 
+    foreach($enrolledusers as $user) {
+
+        $dataobj = new stdClass();
+        $dataobj->userid    = $user->id;
+        $dataobj->hostid    = $mnet_peer->id;
+        $dataobj->courseid  = $courseid;
+        $dataobj->rolename  = $all_enrolled_users[$user->username]['name'];
+        $dataobj->enroltype = $all_enrolled_users[$user->username]['enrol'];
+
+        if ($user->wehaverecord == 0) {
+            $dataobj->enroltime = $all_enrolled_users[$user->username]['timemodified'];
+            $dataobj->id = insert_record('mnet_enrol_assignments', $dataobj);
+        } elseif (array_key_exists($user->username, $all_enrolled_users)) {
+            $dataobj->id    = $user->enrolid;
+            update_record('mnet_enrol_assignments', $dataobj);
+        } elseif (is_array($all_enrolled_users) && count($all_enrolled_users)) {
+            delete_record('mnet_enrol_assignments', 'id', $user->enrolid);
+        }
+    }
+
+
+    $sql = "
+            SELECT
+                u.id,
+                u.firstname,
+                u.lastname,
+                u.email,
+                a.enroltype,
+                a.courseid
+            FROM
+                {$CFG->prefix}user u,
+                {$CFG->prefix}mnet_enrol_assignments a
+            WHERE
+                a.userid = u.id AND 
+                a.courseid={$courseid} AND
+                u.deleted = 0 AND
+                u.confirmed = 1 AND
+                u.mnethostid = {$CFG->mnet_localhost_id}
+            ORDER BY
+                u.firstname ASC,
+                u.lastname ASC";
+
+    if (!$enrolledusers = get_records_sql($sql)) {
+        $enrolledusers = array();
+    }
+
+    $excludeids = '  ';
+    foreach($enrolledusers as $user) {
+        $excludeids .= "$user->id, ";
+    }
+    $select = 'AND u.id NOT IN ( 0, ' .substr($excludeids, 0, -2) .') ';
+
     $searchtext = trim($searchtext);
     $select = '';
 
@@ -137,14 +194,6 @@
         $select  .= " AND ($FULLNAME $LIKE '%$searchtext%' OR email $LIKE '%$searchtext%') ";
     }
 
-    /**** start of NOT IN block ****/
-
-    $select .= " AND username NOT IN ('guest', 'changeme', ";
-    $select .= $all_enrolled_usernames;
-    $select = substr($select, 0, -2) .') ';
-
-    /**** end of NOT IN block ****/
-
     $availableusers = get_recordset_sql('SELECT id, firstname, lastname, email 
                                          FROM '.$CFG->prefix.'user 
                                          WHERE deleted = 0 AND confirmed = 1 AND mnethostid = '.$CFG->mnet_localhost_id.' '.$select.'

enrol/mnet/enrol.php

@@ -263,12 +263,17 @@ class enrolment_plugin_mnet {
                 SELECT
                     u.id,
                     u.username,
-                    a.enrol
+                    a.enrol,
+                    a.timemodified,
+                    r.name,
+                    r.shortname
                 FROM
                     {$CFG->prefix}role_assignments a,
+                    {$CFG->prefix}role r,
                     {$CFG->prefix}user u
                 WHERE
                     a.contextid = '{$context->id}' AND
+                    a.roleid = r.id AND
                     a.userid = u.id AND
                     u.mnethostid = '{$MNET_REMOTE_CLIENT->id}'
                     ";
@@ -283,7 +288,10 @@ class enrolment_plugin_mnet {
 
         $returnarray = array();
         foreach($enrolments as $user) {
-            $returnarray[] = array('username' => $user->username, 'enrol' => $user->enrol);
+            $returnarray[$user->username] = array('enrol' => $user->enrol, 
+                                                  'timemodified' => $user->timemodified, 
+                                                  'shortname' => $user->shortname, 
+                                                  'name' => $user->name);
         }
         return $returnarray;
     }